Air Purifying Operation; I-Save Operation - Mitsubishi Electric MUZ-LN VG Series Service Manual

9-11. NIGHT MODE ( ) OPERATION
NIGHT MODE changes the brightness of the operation indicator, disables the beep sound and limits the noise level of the
outdoor unit.
(1) Press NIGHT MODE button during operation to activate NIGHT mode ( ).
• The operation indicator lamp dims.
• The beep sound will be disabled except that emitted when the operation is started or stopped.
• Noise level of the outdoor unit will be lower than that mentioned in SPECIFICATIONS.(Except the connection to
MXZ.)
(2) Press NIGHT MODE button to cancel NIGHT mode ( ).
NOTE:
•Noise level of the outdoor unit may not change after startup of the unit, during the protection operation, or depending on other
operating conditions.
•The fan speed of the indoor unit will not change.
•The operation indicator lamp will be hard to be seen in a bright room.
•Operating POWERFUL operation during NIGHT mode will increase the noise level of the outdoor unit.
•Noise level of the outdoor unit will not decrease during Multi system operation.
9-12. AIR PURIFYING ( ) OPERATION
In the AIR PURIFYING operation, the indoor unit built-in device reduces airborne fungi, viruses, mold, and allergens.
(1) Press PURIFIER button to start AIR PURIFYING operation.
• AIR PURIFYING lamp turns on. (Display section)
(2) Press PURIFIER button again to cancel AIR PURIFYING operation.
• AIR PURIFYING lamp turns off. (Display section)
NOTE:
• Never touch the air purifying device during operation. Although the air purifying device is safety-conscious design, touching
this device could be the cause of trouble as this device discharge high voltage electricity.
• A "hissing" sound may be heard during the air purifying operation. This sound is produced when plasma is being discharged.
This is not a malfunction.
• AIR PURIFYING lamp does not turn on if the front panel is not closed completely.
9-13. i-save ( ) OPERATION
1. How to set i-save operation
(1) Press STOP/OPERATE (OFF/ON) button.
(2) Select COOL, CIRCULATOR, HEAT, ECONO COOL, or NIGHT mode.
(3) Press i-save button.
(4) Set the temperature, fan speed, and airflow direction for i-save operation.
NOTE:
• i-save operation cannot be selected during DRY, FAN or AUTO mode operation.
• The setting range of HEAT mode i-save operation is 10 - 31°C.
• 2 groups of setting can be saved. (One for COOL/ECONO COOL/CIRCULATOR, one for HEAT)
2. How to cancel operation
• Press i-save button again.
• i-save operation can also be cancelled by pressing POWERFUL button or OPERATION SELECT button to change
the operation mode.
The same setting is select from the next time by simply pressing i-save button.
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